package com.kun.test;

public class ClassB implements InterfaceA{

	
	public static void main(String[] args){
		ClassA a  = new ClassA();
		a.setInterfaceA(new ClassB());
		a.print();
	}

	@Override
	public void printInterfaceA() {
		System.out.println("********classB.printInterfaceA************");
	}
}
